PC 1/50
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BrandPhilips
ClassRF Power Pentode
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
MaterialOxide coated
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation30 W
Grid 2 Voltage300 V
Grid 1 Voltage-120 V
Audio Performance
Key Features
- Oxide coated cathode
- Directly heated
- H.F. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. class C telegraphy (Ig1 > 0) | 1000V | 1500 | - | - | 80mA |
| H.F. class C telegraphy (Ig1 = 0) | 1000V | 1500 | - | - | 60mA |
| H.F. class B telephony | 1000V | - | - | - | 50mA |
Application Notes
Used as High Frequency Amplifier and in telegraphy class C or telephony class B modes.
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